March 17. Very hot. East wind. Went up on hill with Mrs. Paice about 9 o'clock. Saw juncoes. Learned song of Rufous-crowned Sparrow. Saw two Western Gnatcatchers in brush back of Frenchman's house. Later in afternoon saw one in black oak tree near house. March 18. Saw Hermit Thrush, Fox Sparrow + Golden-crowned Sparrow. Many Intermediate Sparrows singing. Have heard very few of the latter all winter. Are they migrating thro' this section? March 19. Warbling Vireo heard at 7 A.M. Heard and saw two W. Gnatcatchers in Vireo near house. Cooper Club. Miss Atteatt came home with me.